That part of the lowest piping of a drainage system that receives the discharge from soil, waste, and other drainage pipes inside the walls of the building and conveys it to a point 2 feet outside the building wall is a ___.
A) building drainB) building sewerC) waste pipeD) soil stack
A building drainage is the lowest piping of the drainage system and gets discharge soil, water, and other wastes and is conveys t to the building sewers that s three feet outside the wall.
